M.S. Johnston Co. is licensed in Maryland, Pennsylvania, West Virginia and Virginia.

Looking for specialty refrigeration?

Our refrigeration department specializes in designing, selling, installing and servicing all types of commercial refrigeration equipment. This includes reach-in freezers and refrigerators, ice makers and dispensers, walk-in freezers, walk-in coolers, refrigerated warehouses, display cases, supermarkets and convenience stores.

We are familiar with blast chillers, ultra-low temp refrigeration, specialty metal and hardware freezers, fruit and vegetable storage, liquid cooling systems for food, plastic extrusion and heat reclaim systems.

We are a long-time Hill-Phoenix refrigerated case and compressor rack dealer as well as a representative for most major refrigeration equipment manufacturers.

In short, if it is refrigerated, or if it needs to be refrigerated, M. S. Johnston Co., Inc. can handle it.


Our professional affiliations include:
  • Associated Builders and Contractors
  • National Federation of Independent Businesses
  • American Society of Heating, Refrigerating & Air Conditioning Engineers
  • Supermarket Equipment Incorporated (ISE)
  • Washington County (MD) Chamber of Commerce